timezone_mappings.ex

anonical(linked_timezone) do
    case do
      "Africa/Accra" -> "Africa/Abidjan"
      "Africa/Addis_Ababa" -> "Africa/Nairobi"
      "Africa/Asmara" -> "Africa/Nairobi"
      "Africa/Asmera" -> "Africa/Nairobi"
      "Africa/Bamako" -> "Africa/Abidjan"
      "Africa/Bangui" -> "Africa/Lagos"
      "Africa/Banjul" -> "Africa/Abidjan"
      "Africa/Blantyre" -> "Africa/Maputo"
      "Africa/Brazzaville" -> "Africa/Lagos"
      "Africa/Bujumbura" -> "Africa/Maputo"
      "Africa/Conakry" -> "Africa/Abidjan"
      "Africa/Dakar" -> "Africa/Abidjan"
      "Africa/Dar_es_Salaam" -> "Africa/Nairobi"
      "Africa/Djibouti" -> "Africa/Nairobi"
      "Africa/Douala" -> "Africa/Lagos"
      "Africa/Freetown" -> "Africa/Abidjan"
      "Africa/Gaborone" -> "Africa/Maputo"
      "Africa/Harare" -> "Africa/Maputo"
      "Africa/Kampala" -> "Africa/Nairobi"
      "Africa/Kigali" -> "Africa/Maputo"
      "Africa/Kinshasa" -> "Africa/Lagos"
      "Africa/Libreville" -> "Africa/Lagos"
      "Africa/Lome" -> "Africa/Abidjan"
      "Africa/Luanda" -> "Africa/Lagos"
      "Africa/Lubumbashi" -> "Africa/Maputo"
      "Africa/Lusaka" -> "Africa/Maputo"
      "Africa/Malabo" -> "Africa/Lagos"
      "Africa/Maseru" -> "Africa/Johannesburg"
      "Africa/Mbabane" -> "Africa/Johannesburg"
      "Africa/Mogadishu" -> "Africa/Nairobi"
      "Africa/Niamey" -> "Africa/Lagos"
      "Africa/Nouakchott" -> "Africa/Abidjan"
      "Africa/Ouagadougou" -> "Africa/Abidjan"
      "Africa/Porto-Novo" -> "Africa/Lagos"
      "Africa/Timbuktu" -> "Africa/Abidjan"
      "America/Anguilla" -> "America/Puerto_Rico"
      "America/Antigua" -> "America/Puerto_Rico"
      "America/Argentina/ComodRivadavia" -> "America/Argentina/Catamarca"
      "America/Aruba" -> "America/Puerto_Rico"
      "America/Atikokan" -> "America/Panama"
      "America/Atka" -> "America/Adak"
      "America/Blanc-Sablon" -> "America/Puerto_Rico"
      "America/Buenos_Aires" -> "America/Argentina/Buenos_Aires"
      "America/Catamarca" -> "America/Argentina/Catamarca"
      "America/Cayman" -> "America/Panama"
      "America/Coral_Harbour" -> "America/Panama"
      "America/Cordoba" -> "America/Argentina/Cordoba"
      "America/Creston" -> "America/Phoenix"
      "America/Curacao" -> "America/Puerto_Rico"
      "America/Dominica" -> "America/Puerto_Rico"
      "America/Ensenada" -> "America/Tijuana"
      "America/Fort_Wayne" -> "America/Indiana/Indianapolis"
      "America/Godthab" -> "America/Nuuk"
      "America/Grenada" -> "America/Puerto_Rico"
      "America/Guadeloupe" -> "America/Puerto_Rico"
      "America/Indianapolis" -> "America/Indiana/Indianapolis"
      "America/Jujuy" -> "America/Argentina/Jujuy"
      "America/Knox_IN" -> "America/Indiana/Knox"
      "America/Kralendijk" -> "America/Puerto_Rico"
      "America/Louisville" -> "America/Kentucky/Louisville"
      "America/Lower_Princes" -> "America/Puerto_Rico"
      "America/Marigot" -> "America/Puerto_Rico"
      "America/Mendoza" -> "America/Argentina/Mendoza"
      "America/Montreal" -> "America/Toronto"
      "America/Montserrat" -> "America/Puerto_Rico"
      "America/Nassau" -> "America/Toronto"
      "America/Nipigon" -> "America/Toronto"
      "America/Pangnirtung" -> "America/Iqaluit"
      "America/Port_of_Spain" -> "America/Puerto_Rico"
      "America/Porto_Acre" -> "America/Rio_Branco"
      "America/Rainy_River" -> "America/Winnipeg"
      "America/Rosario" -> "America/Argentina/Cordoba"
      "America/Santa_Isabel" -> "America/Tijuana"
      "America/Shiprock" -> "America/Denver"
      "America/St_Barthelemy" -> "America/Puerto_Rico"
      "America/St_Kitts" -> "America/Puerto_Rico"
      "America/St_Lucia" -> "America/Puerto_Rico"
      "America/St_Thomas" -> "America/Puerto_Rico"
      "America/St_Vincent" -> "America/Puerto_Rico"
      "America/Thunder_Bay" -> "America/Toronto"
      "America/Tortola" -> "America/Puerto_Rico"
      "America/Virgin" -> "America/Puerto_Rico"
      "America/Yellowknife" -> "America/Edmonton"
      "Antarctica/DumontDUrville" -> "Pacific/Port_Moresby"
      "Antarctica/McMurdo" -> "Pacific/Auckland"
      "Antarctica/South_Pole" -> "Pacific/Auckland"
      "Antarctica/Syowa" -> "Asia/Riyadh"
      "Arctic/Longyearbyen" -> "Europe/Berlin"
      "Asia/Aden" -> "Asia/Riyadh"
      "Asia/Ashkhabad" -> "Asia/Ashgabat"
      "Asia/Bahrain" -> "Asia/Qatar"
      "Asia/Brunei" -> "Asia/Kuching"
      "Asia/Calcutta" -> "Asia/Kolkata"
      "Asia/Choibalsan" -> "Asia/Ulaanbaatar"
      "Asia/Chongqing" -> "Asia/Shanghai"
      "Asia/Chungking" -> "Asia/Shanghai"
      "Asia/Dacca" -> "Asia/Dhaka"
      "Asia/Harbin" -> "Asia/Shanghai"
      "Asia/Istanbul" -> "Europe/Istanbul"
      "Asia/Kashgar" -> "Asia/Urumqi[note 1]"
      "Asia/Katmandu" -> "Asia/Kathmandu"
      "Asia/Kuala_Lumpur" -> "Asia/Singapore"
      "Asia/Kuwait" -> "Asia/Riyadh"
      "Asia/Macao" -> "Asia/Macau"
      "Asia/Muscat" -> "Asia/Dubai"
      "Asia/Phnom_Penh" -> "Asia/Bangkok"
      "Asia/Rangoon" -> "Asia/Yangon"
      "Asia/Saigon" -> "Asia/Ho_Chi_Minh"
      "Asia/Tel_Aviv" -> "Asia/Jerusalem"
      "Asia/Thimbu" -> "Asia/Thimphu"
      "Asia/Ujung_Pandang" -> "Asia/Makassar"
      "Asia/Ulan_Bator" -> "Asia/Ulaanbaatar"
      "Asia/Vientiane" -> "Asia/Bangkok"
      "Atlantic/Faeroe" -> "Atlantic/Faroe"
      "Atlantic/Jan_Mayen" -> "Europe/Berlin"
      "Atlantic/Reykjavik" -> "Africa/Abidjan"
      "Atlantic/St_Helena" -> "Africa/Abidjan"
      "Australia/ACT" -> "Australia/Sydney"
      "Australia/Canberra" -> "Australia/Sydney"
      "Australia/Currie" -> "Australia/Hobart"
      "Australia/LHI" -> "Australia/Lord_Howe"
      "Australia/North" -> "Australia/Darwin"
      "Australia/NSW" -> "Australia/Sydney"
      "Australia/Queensland" -> "Australia/Brisbane"
      "Australia/South" -> "Australia/Adelaide"
      "Australia/Tasmania" -> "Australia/Hobart"
      "Australia/Victoria" -> "Australia/Melbourne"
      "Australia/West" -> "Australia/Perth"
      "Australia/Yancowinna" -> "Australia/Broken_Hill"
      "Brazil/Acre" -> "America/Rio_Branco"
      "Brazil/DeNoronha" -> "America/Noronha"
      "Brazil/East" -> "America/Sao_Paulo"
      "Brazil/West" -> "America/Manaus"
      "Canada/Atlantic" -> "America/Halifax"
      "Canada/Central" -> "America/Winnipeg"
      "Canada/Eastern" -> "America/Toronto"
      "Canada/Mountain" -> "America/Edmonton"
      "Canada/Newfoundland" -> "America/St_Johns"
      "Canada/Pacific" -> "America/Vancouver"
      "Canada/Saskatchewan" -> "America/Regina"
      "Canada/Yukon" -> "America/Whitehorse"
      "CET" -> "Europe/Brussels"
      "Chile/Continental" -> "America/Santiago"
      "Chile/EasterIsland" -> "Pacific/Easter"
      "CST6CDT" -> "America/Chicago"
      "Cuba" -> "America/Havana"
      "EET" -> "Europe/Athens"
      "Egypt" -> "Africa/Cairo"
      "Eire" -> "Europe/Dublin"
      "EST" -> "America/Panama"
      "EST5EDT" -> "America/New_York"
      "Etc/GMT+0" -> "Etc/GMT"
      "Etc/GMT-0" -> "Etc/GMT"
      "Etc/GMT0" -> "Etc/GMT"
      "Etc/Greenwich" -> "Etc/GMT"
      "Etc/UCT" -> "Etc/UTC"
      "Etc/Universal" -> "Etc/UTC"
      "Etc/Zulu" -> "Etc/UTC"
      "Europe/Amsterdam" -> "Europe/Brussels"
      "Europe/Belfast" -> "Europe/London"
      "Europe/Bratislava" -> "Europe/Prague"
      "Europe/Busingen" -> "Europe/Zurich"
      "Europe/Copenhagen" -> "Europe/Berlin"
      "Europe/Guernsey" -> "Europe/London"
      "Europe/Isle_of_Man" -> "Europe/London"
      "Europe/Jersey" -> "Europe/London"
      "Europe/Kiev" -> "Europe/Kyiv"
      "Europe/Ljubljana" -> "Europe/Belgrade"
      "Europe/Luxembourg" -> "Europe/Brussels"
      "Europe/Mariehamn" -> "Europe/Helsinki"
      "Europe/Monaco" -> "Europe/Paris"
      "Europe/Nicosia" -> "Asia/Nicosia"
      "Europe/Oslo" -> "Europe/Berlin"
      "Europe/Podgorica" -> "Europe/Belgrade"
      "Europe/San_Marino" -> "Europe/Rome"
      "Europe/Sarajevo" -> "Europe/Belgrade"
      "Europe/Skopje" -> "Europe/Belgrade"
      "Europe/Stockholm" -> "Europe/Berlin"
      "Europe/Tiraspol" -> "Europe/Chisinau"
      "Europe/Uzhgorod" -> "Europe/Kyiv"
      "Europe/Vaduz" -> "Europe/Zurich"
      "Europe/Vatican" -> "Europe/Rome"
      "Europe/Zagreb" -> "Europe/Belgrade"
      "Europe/Zaporozhye" -> "Europe/Kyiv"
      "GB" -> "Europe/London"
      "GB-Eire" -> "Europe/London"
      "GMT" -> "Etc/GMT"
      "GMT+0" -> "Etc/GMT"
      "GMT-0" -> "Etc/GMT"
      "GMT0" -> "Etc/GMT"
      "Greenwich" -> "Etc/GMT"
      "Hongkong" -> "Asia/Hong_Kong"
      "HST" -> "Pacific/Honolulu"
      "Iceland" -> "Africa/Abidjan"
      "Indian/Antananarivo" -> "Africa/Nairobi"
      "Indian/Christmas" -> "Asia/Bangkok"
      "Indian/Cocos" -> "Asia/Yangon"
      "Indian/Comoro" -> "Africa/Nairobi"
      "Indian/Kerguelen" -> "Indian/Maldives"
      "Indian/Mahe" -> "Asia/Dubai"
      "Indian/Mayotte" -> "Africa/Nairobi"
      "Indian/Reunion" -> "Asia/Dubai"
      "Iran" -> "Asia/Tehran"
      "Israel" -> "Asia/Jerusalem"
      "Jamaica" -> "America/Jamaica"
      "Japan" -> "Asia/Tokyo"
      "Kwajalein" -> "Pacific/Kwajalein"
      "Libya" -> "Africa/Tripoli"
      "MET" -> "Europe/Brussels"
      "Mexico/BajaNorte" -> "America/Tijuana"
      "Mexico/BajaSur" -> "America/Mazatlan"
      "Mexico/General" -> "America/Mexico_City"
      "MST" -> "America/Phoenix"
      "MST7MDT" -> "America/Denver"
      "Navajo" -> "America/Denver"
      "NZ" -> "Pacific/Auckland"
      "NZ-CHAT" -> "Pacific/Chatham"
      "Pacific/Chuuk" -> "Pacific/Port_Moresby"
      "Pacific/Enderbury" -> "Pacific/Kanton"
      "Pacific/Funafuti" -> "Pacific/Tarawa"
      "Pacific/Johnston" -> "Pacific/Honolulu"
      "Pacific/Majuro" -> "Pacific/Tarawa"
      "Pacific/Midway" -> "Pacific/Pago_Pago"
      "Pacific/Pohnpei" -> "Pacific/Guadalcanal"
      "Pacific/Ponape" -> "Pacific/Guadalcanal"
      "Pacific/Saipan" -> "Pacific/Guam"
      "Pacific/Samoa" -> "Pacific/Pago_Pago"
      "Pacific/Truk" -> "Pacific/Port_Moresby"
      "Pacific/Wake" -> "Pacific/Tarawa"
      "Pacific/Wallis" -> "Pacific/Tarawa"
      "Pacific/Yap" -> "Pacific/Port_Moresby"
      "Poland" -> "Europe/Warsaw"
      "Portugal" -> "Europe/Lisbon"
      "PRC" -> "Asia/Shanghai"
      "PST8PDT" -> "America/Los_Angeles"
      "ROC" -> "Asia/Taipei"
      "ROK" -> "Asia/Seoul"
      "Singapore" -> "Asia/Singapore"
      "Turkey" -> "Europe/Istanbul"
      "UCT" -> "Etc/UTC"
      "Universal" -> "Etc/UTC"
      "US/Alaska" -> "America/Anchorage"
      "US/Aleutian" -> "America/Adak"
      "US/Arizona" -> "America/Phoenix"
      "US/Central" -> "America/Chicago"
      "US/East-Indiana" -> "America/Indiana/Indianapolis"
      "US/Eastern" -> "America/New_York"
      "US/Hawaii" -> "Pacific/Honolulu"
      "US/Indiana-Starke" -> "America/Indiana/Knox"
      "US/Michigan" -> "America/Detroit"
      "US/Mountain" -> "America/Denver"
      "US/Pacific" -> "America/Los_Angeles"
      "US/Samoa" -> "Pacific/Pago_Pago"
      "UTC" -> "Etc/UTC"
      "W-SU" -> "Europe/Moscow"
      "WET" -> "Europe/Lisbon"
      "Zulu" -> "Etc/UTC"
    end